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Share-Based Compensation - Additional Information (Detail) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 USD ($)
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Unrecognized compensation cost related to unvested share-based equity awards | $ 152,169
Weighted average period of recognition of unvested share-based equity awards | 1 year 10 months 21 days
Unrecognized compensation cost related to unvested share-based equity awards, stock options | $ 44,181
Unrecognized compensation cost related to unvested share-based equity awards, restricted stock | $ 107,988

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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References No definition available. + Details
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. + References No definition available. + Details
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